Peerless + New Argo

models/peer/peer.go

@@ -3,6 +3,7 @@ package peer
 import (
 	"fmt"
 	"strings"
+	"time"
 
 	"cloud.o-forge.io/core/oc-lib/models/utils"
 	"cloud.o-forge.io/core/oc-lib/tools"
@@ -41,6 +42,15 @@ func (m PeerRelation) EnumIndex() int {
 	return int(m)
 }
 
+// BehaviorWarning records a single misbehavior observed by a trusted service.
+type BehaviorWarning struct {
+	At          time.Time            `json:"at" bson:"at"`
+	ReporterApp string               `json:"reporter_app" bson:"reporter_app"`
+	Severity    tools.BehaviorSeverity `json:"severity" bson:"severity"`
+	Reason      string               `json:"reason" bson:"reason"`
+	Evidence    string               `json:"evidence,omitempty" bson:"evidence,omitempty"`
+}
+
 // Peer is a struct that represents a peer
 type Peer struct {
 	utils.AbstractObject
@@ -56,12 +66,53 @@ type Peer struct {
 	Relation        PeerRelation    `json:"relation" bson:"relation" default:"0"`
 	ServicesState   map[string]int  `json:"services_state,omitempty" bson:"services_state,omitempty"`
 	FailedExecution []PeerExecution `json:"failed_execution" bson:"failed_execution"` // FailedExecution is the list of failed executions, to be retried
+
+	// Trust scoring — maintained by oc-discovery from PEER_BEHAVIOR_EVENT reports.
+	TrustScore       float64           `json:"trust_score" bson:"trust_score" default:"100"`
+	BlacklistReason  string            `json:"blacklist_reason,omitempty" bson:"blacklist_reason,omitempty"`
+	BehaviorWarnings []BehaviorWarning `json:"behavior_warnings,omitempty" bson:"behavior_warnings,omitempty"`
 }
 
 func (ao *Peer) VerifyAuth(callName string, request *tools.APIRequest) bool {
 	return true
 }
 
+// BlacklistThreshold is the trust score below which a peer is auto-blacklisted.
+const BlacklistThreshold = 20.0
+
+// ApplyBehaviorReport records a misbehavior, deducts the trust penalty, and
+// returns true when the trust score has fallen below BlacklistThreshold so the
+// caller can trigger the relation change.
+func (p *Peer) ApplyBehaviorReport(r tools.PeerBehaviorReport) (shouldBlacklist bool) {
+	p.BehaviorWarnings = append(p.BehaviorWarnings, BehaviorWarning{
+		At:          r.At,
+		ReporterApp: r.ReporterApp,
+		Severity:    r.Severity,
+		Reason:      r.Reason,
+		Evidence:    r.Evidence,
+	})
+	if p.TrustScore == 0 {
+		p.TrustScore = 100 // initialise if never set
+	}
+	p.TrustScore -= r.Severity.Penalty()
+	if p.TrustScore < 0 {
+		p.TrustScore = 0
+	}
+	if p.TrustScore <= BlacklistThreshold {
+		p.BlacklistReason = r.Reason
+		return true
+	}
+	return false
+}
+
+// ResetTrust clears all behavior history and resets the trust score to 100.
+// Must be called when a peer relation is manually set to NONE or PARTNER.
+func (p *Peer) ResetTrust() {
+	p.TrustScore = 100
+	p.BlacklistReason = ""
+	p.BehaviorWarnings = nil
+}
+
 // AddExecution adds an execution to the list of failed executions
 func (ao *Peer) AddExecution(exec PeerExecution) {
 	found := false